Optical Ramsey spectroscopy in a rotating frame: Sagnac effect in a matter-wave interferometer

Journal Article · Mon Jul 08 00:00:00 EDT 1991 · Physical Review Letters; (USA)

DOI:https://doi.org/10.1103/PhysRevLett.67.177· OSTI ID:5467850

Riehle, F; Kisters, T; Witte, A; Helmcke, J ^[1]; Borde, C J ^[2]

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1. Physikalisch-Technische Bundesanstalt, Bundesallee 100, D-3300 Braunschweig, Germany (DE)
2. Institut Henri Poincare, Universite Pierre et Marie Curie, Paris, France (FR) Laboratoire de Physique des Lasers, Universite Paris, Villetaneuse, France (FR)

A calcium atomic beam excited in an optical Ramsey geometry was rotated about an axis perpendicular to the plane defined by the laser beams and the atomic beam. A frequency shift of the Ramsey fringes of several kHz has been measured which is proportional to the rotation frequency of the apparatus and to the distance between the laser beams. The results can be interpreted in three equivalent ways as the Sagnac effect in a calcium-atomic-beam interferometer: in the rotating frame of the laser beams either along straight paths or along the curved trajectories of the atoms, or in the inertial atomic frame.

• OSTI ID: 5467850
• Journal Information: Physical Review Letters; (USA), Vol. 67:2; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ATOMIC BEAMS
INTERFEROMETRY
CALCIUM
PHASE SHIFT
FLUORESCENCE
LASER RADIATION
ROTATION
SPECTRAL SHIFT
ALKALINE EARTH METALS
BEAMS
ELECTROMAGNETIC RADIATION
ELEMENTS
LUMINESCENCE
METALS
MOTION
RADIATIONS
640301* - Atomic
Molecular & Chemical Physics- Beams & their Reactions